.main-box{
    padding: 30px;
}
.main-box form {
    float:left;
}
.main-box form input,
.main-box form textarea {
    display:block;
    /* 设置为块级元素 */
    width: 400px;
    border: 1px solid #ddd;
    padding: 10px 15px;
    margin-bottom: 15px;

}
.main-box form textarea{
    height: 200px;
    max-width: 400px;
    /* 最大宽度 */
}
.main-box form button{
    width: 100px;
    height: 30px;
    border: 1px solid #999;
    /* 实现边框效果 solid 实心边框 */
    cursor: pointer;
    /* cursor: pointer鼠标样式为小手 */
}
.main-box form button[type="submit"]{
    background-color: black;
    color: white;
}
.main-box form button[type="reset"]{
    background-color: #ddd;
}
.main-box .map{
    float: right;
    /* 右侧浮动 */
    width: 400px;
    height: 400px;
    background-color: blueviolet;
}

